package com.yunshipei.adapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.SectionIndexer;
import android.widget.TextView;
import com.yunshipei.enterplorer.R;
import com.yunshipei.model.SortModel;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class FriendListRongCloudAdapter extends BaseAdapter implements SectionIndexer{
	private List<SortModel> list = null;
	private Context mContext;

	public FriendListRongCloudAdapter(Context mContext, List<SortModel> list) {
		this.mContext = mContext;
		this.list = list;
	}

	/**
	 * 当ListView数据发生变化时,调用此方法来更新ListView
	 * 
	 * @param list
	 */
	public void updateListView(List<SortModel> list) {
		this.list = list;
		notifyDataSetChanged();
	}

	public int getCount() {
		return this.list.size();
	}

	public Object getItem(int position) {
		return list.get(position);
	}

	public long getItemId(int position) {
		return position;
	}

	public View getView(final int position, View view, ViewGroup arg2) {
		ViewHolder viewHolder = null;
		final SortModel mContent = list.get(position);
		if (view == null) {
			viewHolder = new ViewHolder();
			view = LayoutInflater.from(mContext).inflate(R.layout.item_sort_listview, null);
			viewHolder.tvLetter = (TextView) view.findViewById(R.id.catalog);	//字母
			viewHolder.nameTV = (TextView) view.findViewById(R.id.name);		//姓名
			viewHolder.positionTV = (TextView) view.findViewById(R.id.position);			//职位
			viewHolder.avatar = (ImageView) view.findViewById(R.id.avatar);			//头像
			viewHolder.avatarText =  (TextView) view.findViewById(R.id.avatarText);
			view.setTag(viewHolder);
		} else {
			viewHolder = (ViewHolder) view.getTag();
		}

		int section = getSectionForPosition(position);

		// 如果当前位置等于该分类首字母的Char的位置 ，则认为是第一次出现
		if (position == getPositionForSection(section)) {
			viewHolder.tvLetter.setVisibility(View.VISIBLE);
			viewHolder.tvLetter.setText(mContent.getSortLetters());
		} else {
			viewHolder.tvLetter.setVisibility(View.GONE);
		}

		viewHolder.nameTV.setText(substringFixedStr(this.list.get(position).getUserInfo().getName(),8));
		//viewHolder.positionTV.setText(substringFixedStr(this.list.get(position).getUserInfo().getPosition(),6));
		viewHolder.positionTV.setText(this.list.get(position).getUserInfo().getPosition());
		viewHolder.avatarText.setText(getEndword(this.list.get(position).getUserInfo().getName()));
		viewHolder.avatar.setImageResource(MyListViewAdapter.person_logos[position % MyListViewAdapter.person_logos.length]);
		return view;

	}

	final static class ViewHolder {
		TextView tvLetter,avatarText;//字母
		TextView nameTV,positionTV;
		ImageView avatar;
	}

	/**
	 * 根据ListView的当前位置获取分类的首字母的Char ascii值
	 */
	public int getSectionForPosition(int position) {
		return list.get(position).getSortLetters().charAt(0);
	}

	/**
	 * 根据分类的首字母的Char ascii值获取其第一次出现该首字母的位置
	 */
	public int getPositionForSection(int section) {
		for (int i = 0; i < getCount(); i++) {
			String sortStr = list.get(i).getSortLetters();
			char firstChar = sortStr.toUpperCase().charAt(0);
			if (firstChar == section) {
				return i;
			}
		}

		return -1;
	}

	/**
	 * 提取英文的首字母，非英文字母用#代替。
	 * 
	 * @param str
	 * @return
	 */
	private String getAlpha(String str) {
		String sortStr = str.trim().substring(0, 1).toUpperCase();
		// 正则表达式，判断首字母是否是英文字母
		if (sortStr.matches("[A-Z]")) {
			return sortStr;
		} else {
			return "#";
		}
	}

	@Override
	public Object[] getSections() {
		return null;
	}

	 /**
	  * 截取字符串
	  * @param originalStr
	  * @return
	  */
	 public static String getEndword(String originalStr){
		 String endWord;
		 if(originalStr != null){
		 int len  = originalStr.length();
		 endWord = originalStr.substring(len-1,len);
		 return endWord;
		 }else{
			 return "";
		 }
	 }
	 
	 //判断是否是汉字
	 private boolean isHanZi(String word){
		 String regEx = "[\\u4e00-\\u9fa5]";  
		  String str = "中文fd我是中国人as ";  
		  Pattern p = Pattern.compile(regEx);  
		  Matcher m = p.matcher(str);
		  int count = 0;
		  while (m.find()) {  
		     for (int i = 0; i <= m.groupCount(); i++) {  
		       count = count + 1;  
		     }  
		  }
		  
		 return count<1 ? true:false;
	 }
	 /**
	  * 
	  * @param originalStr    被截取字符串
	  * @param subLen		字符串长度标准
	  * @return
	  */
	 private String substringFixedStr(String originalStr, int subLen){
		 String str = null;
		 if(originalStr == null){
			 return str = "未知";
		 }else if(originalStr.equals("")||originalStr.equals("null")){
			 str = "未知";
		 }else{
			 int strLen = originalStr.length();
			 if(strLen >subLen){
				 str = originalStr.substring(0, subLen);
			 }else{
				 return originalStr;
			 }
		 }
		 return str;
	 }
	 
}
